Our hinges are perfect through more than 1.50 hours of fire test. After testing, the door is well closed, without obvious deformation and displacement.
Specifically to this hinge CG002 28x118mm, the load-bearing capacity can reach 120 kg /3 pcs, and the opening and closing times can reach 200 thousand times without obvious sinking and displacement.

SOSS Invisible Hinges create smooth, clean lines without unsightly hardware detracting from your project. These hinges were engineered to be 100% hidden from view while providing superior strength and security of standard hinges. For use on wood or metal doors.

If you are interested, we have some related test reports for you reference. Please contact us.

Do fireproof SS Concealed hinges, we are professional and serious!

Reasons to buy from us:

1, More than 18 years of professional manufacturing experience on Invisible Hinges;